改善从下载页点击艺术家头像出现Fatal Exception: java.lang.IllegalStateException, xxxx does not have a NavController set崩溃的问题

Author: misaka10032w

app/src/main/java/com/yenaly/han1meviewer/ui/activity/MainActivity.kt

@@ -203,33 +203,48 @@ class MainActivity : YenalyActivity<ActivityMainBinding>(), DrawerListener, Tool
 
     private fun handleDeeplinkIfNeeded(intent: Intent) {
         Log.i("deeplink", "intent=$intent")
+
+        //外部跳转Deeplink
         if (intent.action == Intent.ACTION_VIEW) {
             val uri = intent.data ?: return
             val videoCode = uri.getQueryParameter("v") ?: return
             showVideoDetailFragment(videoCode)
             return
         }
 
-        val tag = intent.getStringExtra("startSearchFromTag")
-        if (tag != null) {
+        val navHostFragment = supportFragmentManager.findFragmentById(R.id.fcv_main) as? NavHostFragment ?: return
+        val navController = navHostFragment.navController
+        if (navHostFragment.childFragmentManager.isStateSaved) {
+            Log.w("deeplink", "❌ Cannot navigate: state already saved")
+            return
+        }
+
+        //String形式TAG
+        intent.getStringExtra("startSearchFromTag")?.let { tag ->
             intent.removeExtra("startSearchFromTag")
-            val navHostFragment = supportFragmentManager.findFragmentById(R.id.fcv_main) as? NavHostFragment
-            val navController = navHostFragment?.navController
-            if (navHostFragment?.childFragmentManager?.isStateSaved == true) {
-                return
-            }
-            if (navController?.currentDestination?.id != R.id.searchFragment) {
-                navController?.navigate(
+            if (navController.currentDestination?.id != R.id.searchFragment) {
+                navController.navigate(
                     R.id.searchFragment,
                     bundleOf(ADVANCED_SEARCH_MAP to tag)
                 )
-            } else {
-                Log.i("deeplink", "🔁 Already at searchFragment")
             }
+            return
+        }
+
+        // Map形式TAG
+        @Suppress("UNCHECKED_CAST","DEPRECATION")
+        val map = intent.getSerializableExtra("startSearchFromMap") as? HashMap<String, String>
+        if (map != null) {
+            intent.removeExtra("startSearchFromMap")
+            navController.navigate(
+                R.id.searchFragment,
+                bundleOf(ADVANCED_SEARCH_MAP to map)
+            )
         }
     }
 
 
+
     private fun removeAuthGuard() {
         val root = findViewById<ViewGroup>(R.id.dl_main) // 或者 R.id.root
         val authGuard = findViewById<View>(R.id.auth_guard)

app/src/main/java/com/yenaly/han1meviewer/ui/fragment/video/VideoIntroductionFragment.kt

@@ -58,6 +58,7 @@ import com.yenaly.han1meviewer.logic.model.HanimeInfo
 import com.yenaly.han1meviewer.logic.model.HanimeVideo
 import com.yenaly.han1meviewer.logic.state.VideoLoadingState
 import com.yenaly.han1meviewer.logic.state.WebsiteState
+import com.yenaly.han1meviewer.ui.activity.MainActivity
 import com.yenaly.han1meviewer.ui.adapter.AdapterLikeDataBindingPage
 import com.yenaly.han1meviewer.ui.adapter.BaseSingleDifferAdapter
 import com.yenaly.han1meviewer.ui.adapter.HanimeVideoRvAdapter
@@ -618,10 +619,18 @@ class VideoIntroductionFragment : YenalyFragment<FragmentVideoIntroductionBindin
                     val bundleMap = HashMap<String, Serializable>().apply {
                         map.forEach { (k, v) -> put(k.name, v) }
                     }
-                    findNavController().navigate(
-                        R.id.searchFragment,
-                        bundleOf(ADVANCED_SEARCH_MAP to bundleMap),
-                    )
+                    try{
+                        findNavController().navigate(
+                            R.id.searchFragment,
+                            bundleOf(ADVANCED_SEARCH_MAP to bundleMap),
+                        )
+                    }catch (e:IllegalStateException){
+                        context.startActivity(
+                            Intent(context, MainActivity::class.java).apply {
+                                putExtra("startSearchFromMap", HashMap(bundleMap)) // 必须是 Serializable
+                            }
+                        )
+                    }
                 }
                 tvArtist.text = artist.name
                 tvGenre.text = artist.genre